\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*} latex('int(y^3*ln(y)*dy,y)');
	\int \!y^{3}\ln (y){\it dy}{dy}

	> 'int(y^3*ln(y)*dy,y)';
					 /
					|   3
					|  y  ln(y) dy dy
					|
				       /

	> latex('int(y^3*ln(y)*dy,y)');
	\int \!y^{3}\ln (y){\it dy}{dy}
\end{equation*}
\end{document}
